Finding the Fourth Proportional to 1,232,807.72, 1,700,172.99 and 773,965.09
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Solution
The fourth proportional to 1,232,807.72, 1,700,172.99 and 773,965.09 is: 1,067,380.20
Step by Step Solution
- Step 1: Write the proportion equation
1,232,807.72 : 1,700,172.99 = 773,965.09 : x - Step 2: Convert to fraction form
1,232,807.72/1,700,172.99 = 773,965.09/x - Step 3: Cross multiply
1,232,807.72x = 1,700,172.99 × 773,965.09 - Step 4: Simplify right side
1,232,807.72x = 1,315,874,543,346.14 - Step 5: Solve for x
x = 1,315,874,543,346.14/1,232,807.72 - Step 6: Final answer
x = 1,067,380.20
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.